气候变化领域集成服务门户(CCPortal): Matching site-suitable poplars to rotation length for optimized productivity

CCPortal

DOI	10.1016/j.foreco.2019.117670
	Matching site-suitable poplars to rotation length for optimized productivity
	Ghezehei S.B.; Wright J.; Zalesny R.S.; Jr.; Nichols E.G.; Hazel D.W.
发表日期	2020
ISSN	0378-1127
卷号	457
英文摘要	Diversity of applications, productivity potential, broad suitability and genetic variations make Populus a valuable fast-growing genus. Our goal was to assess if clonal site-suitability varies with rotation-length. We examined survival, growth (height, diameter at breast height) and estimated stem and total-wood (stem and branches) biomass of 89 clones near Fountain, North Carolina (35°42′7.52″ N, 77°34′35.04″ W) in the coastal southeastern USA at four- and eight-year rotations. The unsuitability of some clones was evident at early age while other clones became less suitable with stand age. Specifically, most mortality occurred by year-four, yet 25% clones experienced 17 to 50% mortality at older ages. Clone ‘379’ was the most site-suitable with 100% survival and 141.3 kg total-wood per tree (approximately 47.5 Mg ha−1 yr−1). Moreover, several clones with low survival produced high per-hectare biomass. Biomass (stem and total-wood) rankings changed between four- and eight-year rotations with only three top-ten clones in year-four (‘379’, ‘402’, ‘449’) in the top-ten of year-eight and two top-ten clones in year-eight (‘379’, ‘402’) also in the top-ten of year-four. Clonal productivity differences increased by 25 to 836% with age. Clones of TD (Populus trichocarpa Torr and Gray × P. deltoids Barts Ex Marsh) and DD (P. deltoides × P. deltoides) genotypes were affected by wood infection (Septoria musiva) indicating that selection based on disease resistance should be performed at clonal level. Hence, for productivity-focused stands, site-suitable clones should be selected by productivity first, then narrowed by survival and rotation length. Changes in the most ‘site-suitable’ clones can be expected between longer and shorter rotations. © 2019 Elsevier B.V.
英文关键词	Efficient SRWC design; Populus; Rotation length; Rotation-suitable clones; Site-suitability
语种	英语
scopus关键词	Biomass; Forestry; Productivity; Rotation; Wood; Diameter-at-breast heights; Disease resistance; Genetic variation; Populus; Populus trichocarpa; Rotation lengths; Selection based; Site-suitability; Cloning; biomass; clonal organism; deciduous forest; design method; forestry production; genetic variation; growth; mortality; optimization; survival; Biomass; Forestry; Populus; Productivity; Rotation; Wood; North Carolina; United States; Mycosphaerella populorum; Populus; Populus deltoides; Populus trichocarpa
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155588
作者单位	Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC 27695, United States; Durania LLC, Boone, NC 28607, United States; Institute for Applied Ecosystem Studies, Northern Research Station, USDA Forest Service, Rhinelander, WI 54501, United States
推荐引用方式 GB/T 7714	Ghezehei S.B.,Wright J.,Zalesny R.S.,et al. Matching site-suitable poplars to rotation length for optimized productivity[J],2020,457.
APA	Ghezehei S.B.,Wright J.,Zalesny R.S.,Jr.,Nichols E.G.,&Hazel D.W..(2020).Matching site-suitable poplars to rotation length for optimized productivity.Forest Ecology and Management,457.
MLA	Ghezehei S.B.,et al."Matching site-suitable poplars to rotation length for optimized productivity".Forest Ecology and Management 457(2020).